Smart Sleep Tracking
Your phone's motion sensors and microphone silently track Light, Deep and REM sleep all night long. No wearable required.
Sleep tracker for iPhone & Android
Track your sleep.
Sleep smarter.
Wake refreshed.
Nidoria is your personal sleep companion, designed to help you fall asleep faster, sleep deeper and wake up at the perfect moment in your sleep cycle.
- No wearable needed
- Sleep Score 0–100
- Privacy-first
Track
Motion and audio sensing classifies every stage of your night.
Analyze
A Sleep Score and clear reports you can actually act on.
Improve
Sounds, reminders, streaks and a gentle Smart Alarm.
Key features
Most sleep apps count hours.
Nidoria measures quality.
Nidoria turns your smartphone into a quiet, intelligent sleep lab. Place your phone beside you, press start, and wake up to insights that actually help you sleep better.
Sleep Score
A 0–100 score for every night over 30 minutes, so you know how well you slept, not just how long.
Snore & Sound Detection
On-device audio analysis picks up snoring, talking and environmental noise, so you can see what's disturbing your rest.
Smart Alarm PRO
Wake up gently at the lightest point of your sleep cycle, within the window you choose.
Bedtime Reminders
Custom wind-down notifications 10, 20 or 30 minutes before bed help you keep a healthy, consistent routine.
Detailed Sleep Reports
Score, duration, start and wake times, a visual stage timeline and full history for every night.
Streaks & Milestones
Track consecutive nights and unlock milestone rewards at 3, 7, 14 and 30+ days.
Privacy-First Design
Sleep analysis runs on your device. Guest mode, local storage and optional cloud sync. No data sold, ever.
Smart sleep tracking
Your phone becomes a quiet sleep lab
Nidoria uses your phone's motion sensors and microphone to silently track your sleep stages all night long. No wearable, no setup, no hassle.
- One-tap session start: place your phone, sleep, wake up to insights
- Classifies every stage: Awake, Light, Deep and REM
- Detects snoring, talking and environmental noise
- Live session timer, with a discard option for false starts
Detailed sleep insights
Know how well you slept, not just how long
Every night over 30 minutes gets a Sleep Score from 0 to 100, plus a clear breakdown of what happened while you were asleep.
- Nightly breakdown: score, duration, start and wake times
- Visual sleep stage timeline with Deep sleep and REM totals
- Full session history: browse any past night
- 7-day duration and deep-sleep trend charts PRO
Soothing sleep sounds
Drift off naturally, relax and unwind
Choose from a curated library of calming sounds to help you wind down and fall asleep faster. Sounds keep playing in the background during your sleep session.
- A selection of sounds is free; unlock any premium track by watching a short ad
- Save favourites to your own playlist
- Every sound, unlimited and ad-free with Premium PRO
Streaks & motivation
Build sleep habits that stick
Good sleep is built night by night. Streak tracking and milestone rewards keep you motivated to keep improving.
3Day Badge
7Day Explorer
14Day Master
30+Days
- Weekly calendar view of tracked nights
- Longest streak record to beat
Smart wake alarm PRO
Say goodbye to groggy mornings
The Smart Alarm wakes you gently at the lightest point of your sleep cycle, so you start the day feeling refreshed instead of jolted awake.
- Wakes you during light sleep within a 15–30 minute window
- Custom bedtime and wake schedule with weekday repeat
- Full-screen alarm with snooze and dismiss
- Bedtime reminders 10, 20 or 30 minutes before bed (free)
How it works
Better sleep in four simple steps
-
1
Set your bedtime
Choose your bedtime and wake window. Nidoria recommends a schedule for tonight.
-
2
Place your phone
Put your phone near your pillow or on your nightstand.
-
3
Tap Start
Start a sleep session, play a calming sound if you like, and let Nidoria do the rest.
-
4
Wake up to insights
Wake up to a gentle alarm and a detailed report of your night.
Perfect for
Made for every kind of sleeper
Modern life is loud, fast and exhausting. Sleep is the foundation of your physical and mental health, and most of us don't know what's really happening when we close our eyes.
- People who wake up tired despite "enough" sleep
- Snorers who want to understand their patterns
- Light sleepers seeking a gentler wake-up
- Anyone tracking sleep without a wearable
- Shift workers managing irregular schedules
- Students, parents and busy professionals
- ASMR, rain and meditation sound lovers
- Habit-builders who love streaks
Screenshots
Take a look inside Nidoria
Start sleeping smarter tonight
Download Nidoria free on iPhone and Android and transform the way you rest.
From the blog
Sleep tips & guides
Snore Detection Guide: How to Decode Data and Stop Nighttime
Learn more about Snore Detection Guide. Learn how to decode snore detection data to reduce nighttime disruptions and improve sleep quality. Read to learn more.
Read article
How to Use Sleep Tracking Data to Optimize Your Evening Rout
Learn how to use sleep tracking data to optimize your evening routine and wake up refreshed. Discover actionable steps and start improving tonight.
Read articleWhy You Wake Up Groggy, and How a Smart Alarm Helps
That heavy, foggy feeling after your alarm has a name: sleep inertia. Learn why it happens and how waking during light sleep can make mornings easier.
Read articleFAQ
Frequently asked questions
Do I need a smartwatch or wearable?
No. Nidoria uses your phone's built-in motion sensors and microphone to track your sleep stages (Awake, Light, Deep and REM). Just place your phone beside you and tap Start.
Where should I place my phone?
Place it near your pillow or on your nightstand, then start your sleep session. Nidoria tracks quietly in the background all night.
Is my sleep data private?
Yes. Sleep analysis runs on your device and your data is never sold. You can use guest mode with local storage only, or sign in to back up your history. Read the full details in our Privacy Policy.
Can I use Nidoria without an account?
Yes. Guest mode gives you full sleep tracking without an account. If you want to keep your history across devices, sign in with Google or Apple to enable secure cloud sync.
Is Nidoria free?
Yes. Nidoria is free to download, and sleep tracking, Sleep Score, reports, streaks, bedtime reminders and a selection of sleep sounds are all free. Nidoria Premium is an optional upgrade.
What does Nidoria Premium include?
Premium unlocks the Smart Alarm (wakes you during light sleep within a 15–30 minute window), unlimited access to every sleep sound, advanced 7-day trend charts and an ad-free experience. It is available as a monthly or yearly in-app subscription.
How do I cancel my subscription?
Subscriptions are managed by your app store. On iPhone go to Settings → your name → Subscriptions. On Android open Google Play → Profile → Payments & subscriptions → Subscriptions.
Which devices are supported?
Nidoria is available for iPhone (iOS 15.0 or later) on the App Store and for Android phones on Google Play.
Is Nidoria a medical device?
No. Nidoria is a wellness app designed to help you understand and improve your sleep habits. It does not diagnose or treat any condition. If you have concerns about your sleep, please talk to a doctor.
Contact us
We'd love to hear from you
Questions about your sleep data, subscriptions or a feature idea? Send us a message and the Nidoria team will get back to you.
Email support[email protected]